Control system
U-12
Bolt removal instruction
1. as shown in the figure, the pressure plate
should be fixed in place when removing or
installing the bolt.
Electromagnetic clutch adjustment
1. if shim is to be used for adjustment, those with
following thickness should be selected:
0.1 mm {0.004 in}
0.3 mm {0.012 in}
0.5 mm {0.020 in}
Standard clearance
0.3-0.7 mm {0.012-0.028 in}
Electromagnetic clutch inspection
1. disconnect the electromagnetic clutch
connector.
2. connect terminal a of electromagnetic clutch to
battery positive voltage, and a/c compressor
case with ground.
3. examine operation of the electromagnetic
clutch. If it is not as specified, replace the rotor
winding.
Cooling system pressure switch inspection
1. install refrigerant charging device.
2. disconnect the refrigerant pressure switch
connector.
3. inspect the reading of high-pressure side on
manifold pressure gage and the conduction
between all terminals. If the result is
nonconforming with technological
requirements, replace the fluid reservoir
assembly.
Operating characteristic of pressure switch (mpa):
Hp:off 3.14±0.2 on 2.55±0.2
diff 0.59±0.2
Lp:off 0.196±0.2 on 0.225±0.2
diff ≥0.02
A/c relay removal/installation
1. disconnect negative battery cable.
2. remove main fuse block cover.
3. remove in order as shown in the table.
BOLT
A/C COMPRESSOR
Connector of component (view
from terminal)
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